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sub zero method gold refining in lesotho

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Subzero A dry powdered nonhazardous replacement for nitric acid when making aqua regia with muriatic acid Nitric acid is highly corrosive and highly toxic nitric oxide fumes when used in the aqua regia process of refining precious metal Additionally it is expensive and difficult to obtain By using Subzero instead of nitric acid nitric oxide fumes are completely eliminated... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.


  • Gold Ore Concentration Plant

    Brand Name: Fote Machinery

    Application: Ore concentrate/separator plant

    Main Equipment : Jaw crusher, impact crusher, hammer crusher, flotation machine, classifier, ball mill, concentrator, etc.

  • Cement Mill

    Rotation Speed: 0.1–5 r/min

    Production Capacity: 21-155TPH

    Product Specification: φ1.83×7~φ4.6×14m

  • Lithium Ore Processing Equipment

    Capacity: 0.18-7 (m ³/min)

    Suitable Materials: Lithium, copper, zinc, lead, nickel, gold and other non-ferrous metals, ferrous and non-metal.

    Major Equipment: Jaw crusher, ball mill, sprial classifier, flotation machine, concentrator machine and dryer machine

  • Ultrafine Mill

    Capacity: 30-800kg/h

    Feeding Size: ≤25m

    Product Fineness: 425-3250mesh

  • Slag Dryer

    Production Capacity: 10-30TPH

    Humidity of Raw Materias: 20±3(%)

    Application Area: Slag industry, building material, metallurgy industry, ore processing industry, chemical industry, cement plant.

  • Iron Powder Briquetting Machine

    Power: 5.5-132KW

    Warranty: 1 Year

    Capacity: 1-30TPH

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